Violent explosions of massive, magnetized stars may forge most of the universe’s heavy elements, such as silver and uranium. The ancient star’s elements aren’t from the remnants of a neutron star ...

For the first time, astronomers have definitively ID’d a specific heavy element forged by a neutron star merger. Theories of physics have long predicted that about half of the universe’s heavy ...

A: The lightest elements in the universe — hydrogen, helium, and a little lithium — were born shortly after the Big Bang. The heavier elements, up to iron, were forged later, in the hearts of stars ...